Jenning, Terry <br/><br/>
How do we know energy exists? 

 - London  Simon & Schuster  1993 
 - 45 
 - How Do We Know .
<br/><br/> Looks at energy, where it comes from, and how it is produced and stored. Also describes the different kinds of energy and how they can be used to power machines. 
<br/><br/><label>ISBN: </label>0750013117 
<br/><br/><label>Dewey Class. No.: </label>530  / JEN